Practice problems across 75+ categories
Practice problems frequently asked at Database • 324 problems | 120 Easy | 135 Medium | 61 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 211 | Number of Times a Driver Was a Passenger | Medium | Database |
| 212 | Number of Transactions per Visit | Hard | Database |
| 213 | Number of Trusted Contacts of a Customer | Medium | Database |
| 214 | Number of Unique Subjects Taught by Each Teacher | Easy | Database |
| 215 | Odd and Even Transactions | Medium | Database |
| 216 | Order Two Columns Independently | Medium | Database |
| 217 | Orders With Maximum Quantity Above Average | Medium | Database |
| 218 | Page Recommendations | Medium | Database |
| 219 | Page Recommendations II | Hard | Database |
| 220 | Patients With a Condition | Easy | Database |
| 221 | Percentage of Users Attended a Contest | Easy | Database |
| 222 | Pizza Toppings Cost Analysis | Medium | Database |
| 223 | Popularity Percentage | Hard | Database |
| 224 | Premier League Table Ranking | Unknown | Database |
| 225 | Premier League Table Ranking II | Medium | Database |
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